Directional Valve
Series WV03
1/4
Reference: 100-P-000054-EN-03
Issue: 08.2015
1 Description
Directional control valve with automatic position reversal. It
allows the Up / Down reversal of two single acting or double
acting cylinders simply by pressurizing the P/T port.
2 Technical data
Charactreistics Description, value, unit
Operating pressure max. 315 bar
max. pressure see para.
Filtering
25 m
Temperature range - 20 °C ... + 80 °C
Ports M18x1,5
internal leackage 12 cm
3
/ 20 min (P = 50 bar, 37 mm
2
/s, 40°C)
Viscosity 10 - 300 mm
2
/s
Mineral oil DIN 51524/25
Instaööation position The valve must be inserted vertically (as shown)
3 Symbols
P/T
Lifting control throttle valve
Lowering control throttle valve
BA
4 Performance graph
80
60
40
20
0
036 912
Q (l/min)
p (bar)
Viycosity 37 mm
2
/s at 40 °C
100-P-000054-EN-03/ 08.2015
Directional Valve WV03
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5 Dimensions
96
40
9
31.5
77.5
30
52
P/T
BA
6 Ordering Code
Type of valve
Spool diameter
Throttle valve E 2,0 (Lowering control)
Throttle valve E 0,8 at ports A + B (Liftig control)
20 VS0VW 3 / H I 14--27
7 Example “Working cycle of the sowing machine”
BA
P/T
P
Release of the
mechanical lock
Pressure
AB
P/T
T
Lowering stroke cylinder A
(cylinder B locked)
100-P-000054-EN-03/ 08.2015
Directional Valve WV03
3/4
A
B
P/T
Sowing machine
Tractor
Sowed field
Directional trail on the ground
P/T
BA
P
Automatic
reversal of the
circuit
BA
P/T
T
Lowering stroke
cylinder B
(cylinder A locked)
New direction trail
on the ground
Sowed field equal distance between
the trails
Previous trail on the
ground
100-P-000054-EN-03/ 08.2015
Directional Valve WV03
4/4
E 2015 by Bucher Hydraulics GmbH, D-79771 Klettgau
www.bucherhydraulics.cominfo.kl@bucherhydraulics.com
All rights reserved.
Data is provided for the purpose of product description only, and must not be construed as warranted characteristics in the legal sense. The
information does not relieve users from the duty of conducting their own evaluations and tests. Because the products are subject to continual
improvement, we reserve the right to amend the product specifications contained in this catalogue.
Classification: 430.390.